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1、南方濕地松人工林生長(zhǎng)狀況研究OnthegrowthofslashpineplantationinsubtropicalChina劉琪璟LiuQi-Jing809918554@qq.com北京林業(yè)大學(xué)林學(xué)院DepartmentofForestSciencesBeijingForestryUniversity報(bào)告提綱Outline1研究背景及意義Background2研究方法Methods3主要結(jié)果Results4討論Discussion濕地松[松科][松屬]Pinaceae拉丁名:Pinuselliottii原產(chǎn)于美國(guó)
2、東南部暖熱潮濕的低海拔地區(qū)(600m以下)。中國(guó)山東平邑以南直至海南島的陵水縣、東自臺(tái)灣、西至成都的廣大地區(qū)內(nèi)多處試栽。ThenaturaldistributionareaisintheeastU.S.,under600maslwithhumidclimate.Byintroduction,thespecieshasbeenwidelyplantedinsubtropicalChina.1.1濕地松特性Featuresofslashpine適應(yīng)性強(qiáng)、抗旱耐瘠薄土壤,造林成活率高,前期生長(zhǎng)迅速,早期的固碳效益較為明顯;
3、含脂量高、質(zhì)量好,從而能帶來明顯的經(jīng)濟(jì)利益。Thespecieshasastrongadaptability,andcangrowunderdryandinfertilityconditions.Thesurvivalrateofafforestationisveryhigh,andthegrowthinearlyperiodisfast,thatshowsahighefficiencyincarbonsequestration.Theresinishighinbothproductivityandquality,w
4、hichbenefitsthelocaleconomy.在我國(guó)南方人工林結(jié)構(gòu)中比例迅速增長(zhǎng)TheproportionofthisspeciesamongartificialforestinChinaisgrowingrapidly.19971983Slashpineplaysanimportantroleinrecoveringthelocalenvironment,especiallyfortreatingthebarrenareawhichwastheresultsofirationalexploitation.
5、濕地松在紅壤丘陵區(qū)生態(tài)恢復(fù)中發(fā)揮了重要作用TheroleofslashpineinecologicalrestorationinredearthareaSlashpineplantationwithanageof20years濕地松林1.2濕地松的引種歷史/IntroductionhistoryinChina1930——小規(guī)模引種.Small-scaleintroduction1945——聯(lián)合國(guó)的種子.SeedsprovidedbytheUnitedStates,asanassistantprogramforwar-
6、affectedcountries.1970--1995——大規(guī)模引種、栽培、研究.Large-scaleintroductionconducted.Currentlyisstillbeingintroduced.1995-2009——濕地松生態(tài)風(fēng)險(xiǎn),二代問題Ecologicalriskinchina,includingtheregeneration.1988:880,000ha;1995:1.907millionha.Current:over2millionha.廣東臺(tái)山種子園Taishanbotanicalgar
7、deninGuangdongProvince.湖南、江蘇、江西、廣東.Hunan,Jiangsu,JiangxiandGuangdongNonresistancetoice-storm,insectsanddiseases,invasivespecies1.3科學(xué)問題Questions濕地松在中國(guó)生長(zhǎng)狀況如何?HowaboutthegrowthofslashpineinChina?濕地松在中國(guó)的適應(yīng)性如何?HowabouttheadaptabilityofslashpineinChina?這些人工林生長(zhǎng)狀況以及存在的
8、風(fēng)險(xiǎn)是什么?Whatistheriskforeco-safetywithalargeareaofslashpineinChina?研究意義NecessityofthestudyPositiverole:Thelargeareaofslashpineplantationplaysanimportantroleinimprovingtheonced